diff --git a/Tests/Tests.nfproj b/Tests/Tests.nfproj
index 265a018..2b140e5 100644
--- a/Tests/Tests.nfproj
+++ b/Tests/Tests.nfproj
@@ -49,8 +49,8 @@
     <Reference Include="System.IO.Streams, Version=1.1.96.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\packages\nanoFramework.System.IO.Streams.1.1.96\lib\System.IO.Streams.dll</HintPath>
     </Reference>
-    <Reference Include="System.Net, Version=1.11.64.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Net.1.11.64\lib\System.Net.dll</HintPath>
+    <Reference Include="System.Net, Version=1.11.66.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.System.Net.1.11.66\lib\System.Net.dll</HintPath>
     </Reference>
     <Reference Include="System.Threading, Version=1.1.52.34401, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\packages\nanoFramework.System.Threading.1.1.52\lib\System.Threading.dll</HintPath>
diff --git a/Tests/packages.config b/Tests/packages.config
index 5fe4402..468076a 100644
--- a/Tests/packages.config
+++ b/Tests/packages.config
@@ -3,7 +3,7 @@
   <package id="nanoFramework.CoreLibrary" version="1.17.11" targetFramework="netnano1.0" />
   <package id="nanoFramework.Runtime.Events" version="1.11.39" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.IO.Streams" version="1.1.96" targetFramework="netnano1.0" />
-  <package id="nanoFramework.System.Net" version="1.11.64" targetFramework="netnano1.0" />
+  <package id="nanoFramework.System.Net" version="1.11.66" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Text" version="1.3.42" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Threading" version="1.1.52" targetFramework="netnano1.0" />
   <package id="nanoFramework.TestFramework" version="3.0.80" targetFramework="netnano1.0" developmentDependency="true" />
diff --git a/Tests/packages.lock.json b/Tests/packages.lock.json
index 2d2ab47..af11612 100644
--- a/Tests/packages.lock.json
+++ b/Tests/packages.lock.json
@@ -22,9 +22,9 @@
       },
       "nanoFramework.System.Net": {
         "type": "Direct",
-        "requested": "[1.11.64, 1.11.64]",
-        "resolved": "1.11.64",
-        "contentHash": "jyC28lSWbBs1aajgp12HlHn6U0o00OMGzFP95SAeJ1CJ6BdmK+bq+peTvsfzpqyT0Babuaqq/x9G94XLaGapGw=="
+        "requested": "[1.11.66, 1.11.66]",
+        "resolved": "1.11.66",
+        "contentHash": "l8Hug+06c8pqIdTU+hB9BkGfxUSBmGeq2C8Eh7T2dRJZxWaEPpiWZJQP159IQr5rPsD6iOgGWzAcEKEP7yFrtg=="
       },
       "nanoFramework.System.Text": {
         "type": "Direct",
diff --git a/nanoframework.System.Net.Sockets.TcpClient.nuspec b/nanoframework.System.Net.Sockets.TcpClient.nuspec
index 521a413..bb02ae7 100644
--- a/nanoframework.System.Net.Sockets.TcpClient.nuspec
+++ b/nanoframework.System.Net.Sockets.TcpClient.nuspec
@@ -20,7 +20,7 @@
     <dependencies>
       <dependency id="nanoFramework.CoreLibrary" version="1.17.11" />
       <dependency id="nanoFramework.System.IO.Streams" version="1.1.96" />
-      <dependency id="nanoFramework.System.Net" version="1.11.64" />
+      <dependency id="nanoFramework.System.Net" version="1.11.66" />
     </dependencies>
   </metadata>
   <files>
diff --git a/nanoframework.System.Net.Sockets.TcpClient/nanoframework.System.Net.Sockets.TcpClient.nfproj b/nanoframework.System.Net.Sockets.TcpClient/nanoframework.System.Net.Sockets.TcpClient.nfproj
index c63070b..3d49e97 100644
--- a/nanoframework.System.Net.Sockets.TcpClient/nanoframework.System.Net.Sockets.TcpClient.nfproj
+++ b/nanoframework.System.Net.Sockets.TcpClient/nanoframework.System.Net.Sockets.TcpClient.nfproj
@@ -50,8 +50,8 @@
     <Reference Include="System.IO.Streams, Version=1.1.96.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\packages\nanoFramework.System.IO.Streams.1.1.96\lib\System.IO.Streams.dll</HintPath>
     </Reference>
-    <Reference Include="System.Net, Version=1.11.64.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Net.1.11.64\lib\System.Net.dll</HintPath>
+    <Reference Include="System.Net, Version=1.11.66.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\packages\nanoFramework.System.Net.1.11.66\lib\System.Net.dll</HintPath>
     </Reference>
     <Reference Include="System.Threading, Version=1.1.52.34401, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\packages\nanoFramework.System.Threading.1.1.52\lib\System.Threading.dll</HintPath>
diff --git a/nanoframework.System.Net.Sockets.TcpClient/packages.config b/nanoframework.System.Net.Sockets.TcpClient/packages.config
index 3285942..c7dd867 100644
--- a/nanoframework.System.Net.Sockets.TcpClient/packages.config
+++ b/nanoframework.System.Net.Sockets.TcpClient/packages.config
@@ -3,7 +3,7 @@
   <package id="nanoFramework.CoreLibrary" version="1.17.11" targetFramework="netnano1.0" />
   <package id="nanoFramework.Runtime.Events" version="1.11.39" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.IO.Streams" version="1.1.96" targetFramework="netnano1.0" />
-  <package id="nanoFramework.System.Net" version="1.11.64" targetFramework="netnano1.0" />
+  <package id="nanoFramework.System.Net" version="1.11.66" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Text" version="1.3.42" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Threading" version="1.1.52" targetFramework="netnano1.0" />
   <package id="Nerdbank.GitVersioning" version="3.10.94" targetFramework="netnano1.0" developmentDependency="true" />
diff --git a/nanoframework.System.Net.Sockets.TcpClient/packages.lock.json b/nanoframework.System.Net.Sockets.TcpClient/packages.lock.json
index 0e2f0e6..ba0aad2 100644
--- a/nanoframework.System.Net.Sockets.TcpClient/packages.lock.json
+++ b/nanoframework.System.Net.Sockets.TcpClient/packages.lock.json
@@ -22,9 +22,9 @@
       },
       "nanoFramework.System.Net": {
         "type": "Direct",
-        "requested": "[1.11.64, 1.11.64]",
-        "resolved": "1.11.64",
-        "contentHash": "jyC28lSWbBs1aajgp12HlHn6U0o00OMGzFP95SAeJ1CJ6BdmK+bq+peTvsfzpqyT0Babuaqq/x9G94XLaGapGw=="
+        "requested": "[1.11.66, 1.11.66]",
+        "resolved": "1.11.66",
+        "contentHash": "l8Hug+06c8pqIdTU+hB9BkGfxUSBmGeq2C8Eh7T2dRJZxWaEPpiWZJQP159IQr5rPsD6iOgGWzAcEKEP7yFrtg=="
       },
       "nanoFramework.System.Text": {
         "type": "Direct",